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| Part Number | HS31 |
| Datasheet | HS31 datasheet |
| Description | HEATSINK OPEN FRAME |
| Manufacturer | Apex Microtechnology |
| Series | Apex Precision Power® |
| Part Status | Active |
| Type | Board Level |
| Package Cooled | - |
| Attachment Method | Bolt On |
| Shape | Rectangular, Fins |
| Length | 5.421" (139.70mm) |
| Width | 4.812" (122.22mm) |
| Diameter | - |
| Height Off Base (Height of Fin) | 1.310" (33.27mm) |
| Power Dissipation @ Temperature Rise | - |
| Thermal Resistance @ Forced Air Flow | 0.40°C/W @ 800 LFM |
| Thermal Resistance @ Natural | 1.46°C/W |
| Material | Aluminum |
| Material Finish | Black Anodized |